Home / 74,802,048.40-112,203,072.60-73,122,432.40

Finding the Fourth Proportional to 74,802,048.40, 112,203,072.60 and 73,122,432.40

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Solution

The fourth proportional to 74,802,048.40, 112,203,072.60 and 73,122,432.40 is: 109,683,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,802,048.40 : 112,203,072.60 = 73,122,432.40 : x
  2. Step 2: Convert to fraction form
    74,802,048.40/112,203,072.60 = 73,122,432.40/x
  3. Step 3: Cross multiply
    74,802,048.40x = 112,203,072.60 × 73,122,432.40
  4. Step 4: Simplify right side
    74,802,048.40x = 8,204,561,591,265,792
  5. Step 5: Solve for x
    x = 8,204,561,591,265,792/74,802,048.40
  6. Step 6: Final answer
    x = 109,683,648.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.